package h_eekwan.basic;

public class J03_Question17_19 {

	public static void main(String[] args) {
			// 17.
		System.out.println("17번.");
		int n = 3;
		int n1 = 3;
		n++;
		n1--;
		
		System.out.println("n =="+n);
		System.out.println("n =="+n1);
		
			// 18.
		System.out.println("18번.");
		System.out.println("2 + 2 =" + (2 + 2));
		System.out.println("2 + 2 =" + 2 + 2);
		
			// 19.
		System.out.println("19번.");
		char a, b, a1;
		a = 'b';
		b = 'c';
		a1 = b;
		
		System.out.println( a );
		System.out.println( b );
		System.out.println( a1 );
			// 20.
	
		

	}

}
